Posted by Vincent on Thursday, December 4, 2008 at 10:14pm.
I got ((x^2+1)*sqr(x^2-4)+x^2)/x^2+1
But my teacher gave (sqr(x^2-4)+x^2)/x^2+1
I did the problem over again but I can't figure out why my teacher got the answer. Can someone confirm that my teacher is right or am I right?
^=to the power of
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